hearing ontheobamaadministration'scontroversial drone program. lawmakers wanting to know more about who our government is targeting and killing. a retired air force colonel set to testify joins us live ahead. jon: the boston tere owe attacks may complicate efforts to a bi-partisan immigration reform proposal. the bombing suspect received asylum in the u.s. more than ten years ago. republican law mangers like senator rand paul are urging caution on changing immigration laws right now. senator paul writing to senate majority leader harry reid, quote we should not proceed tpwh-l we understand the specific failures of our immigration system. why did the current system allow two individuals to immigrate to the united states from a chechen republic of russia who committed acts offer to reus eupl. were there any save guards? could this ha been prevented, dores the immigration laws before prevent this? jay carney was asked about this at the press wraoefg. >> do you think rand paul has a point at all that what happened in boston reflects something wrong with the current system of immigration

. i hopetheobamaadministrationwill allow us that option that exists in our law. they have a very bad track record here. >> reporter: fox news is told investigators are probing a potential link to a islamist group as first reported on fox over the weekend. they were responsible for the attack on moscow airport. in response the group issued a statement saying their disagreement is with russia. they did not deny knowing the brothers. also according to one source who has reviewed that, they were undercut in their claims trying to deny any connection because they pointed the finger as russia as being responsible for these bombings which of course there is no evidence to support that, jon. jon: catherine herridge, lots of tangled leads to unravel here. catherine, thank you. >> reporter: you're welcome. jenna: for more on this now we'll bring in our next guest, chris voss, retired fbi special agent and hostage negotiator and manager of insight security. we talked you to last few times in. great to have you back on the program. >> thank you, jenna. jenna: catherine is reporting on there